Merge tag 'upstream/5.5.58' into ubuntu-14.04

Upstream version 5.5.58

# gpg: Signature made la 30. joulukuuta 2017 17.55.25 EET
# gpg:                using RSA key BED8449FCEE8DA88
# gpg: Good signature from "Otto Kekäläinen <otto@seravo.fi>" [full]
# gpg:                 aka "Otto Kekäläinen <otto@kekalainen.net>" [full]
# gpg:                 aka "Otto Kekäläinen <otto@fsfe.org>" [full]
# gpg:                 aka "Otto Kekäläinen <otto@linux.com>" [full]
# gpg:                 aka "Otto Kekäläinen <otto.kekalainen@seravo.fi>" [full]
# gpg:                 aka "Otto Kekäläinen <otto@mariadb.org>" [undefined]
# gpg:                 aka "Otto Kekäläinen <otto@debian.org>" [undefined]
# gpg:                 aka "Otto Kekäläinen <otto@sange.fi>" [full]

scripts/mysql_install_db.sh

@@ -159,7 +159,7 @@ parse_arguments()
 
 # Try to find a specific file within --basedir which can either be a binary
 # release or installed source directory and return the path.
-find_in_basedir()
+find_in_dirs()
 {
   case "$1" in
     --dir)
@@ -171,13 +171,13 @@ find_in_basedir()
 
   for dir in "$@"
   do
-    if test -f "$basedir/$dir/$file"
+    if test -f "$dir/$file"
     then
       if test -n "$return_dir"
       then
-        echo "$basedir/$dir"
+        echo "$dir"
       else
-        echo "$basedir/$dir/$file"
+        echo "$dir/$file"
       fi
       break
     fi
@@ -239,7 +239,7 @@ then
   print_defaults="$builddir/extra/my_print_defaults"
 elif test -n "$basedir"
 then
-  print_defaults=`find_in_basedir my_print_defaults bin extra`
+  print_defaults=`find_in_dirs my_print_defaults $basedir/bin $basedir/extra`
   if test -z "$print_defaults"
   then
     cannot_find_file my_print_defaults $basedir/bin $basedir/extra
@@ -265,41 +265,43 @@ if test -n "$srcdir"
 then
   basedir="$builddir"
   bindir="$basedir/client"
-  extra_bindir="$basedir/extra"
+  resolveip="$basedir/extra/resolveip"
   mysqld="$basedir/sql/mysqld"
   langdir="$basedir/sql/share/english"
   pkgdatadir="$srcdir/scripts"
-  scriptdir="$srcdir/scripts"
 elif test -n "$basedir"
 then
-  bindir="$basedir/bin"
-  extra_bindir="$bindir"
-  mysqld=`find_in_basedir mysqld libexec sbin bin`
+  bindir="$basedir/bin" # only used in the help text
+  resolveip=`find_in_dirs resolveip @resolveip_locations@`
+  if test -z "$resolveip"
+  then
+    cannot_find_file resolveip @resolveip_locations@
+    exit 1
+  fi
+  mysqld=`find_in_dirs mysqld @mysqld_locations@`
   if test -z "$mysqld"
   then
-    cannot_find_file mysqld $basedir/libexec $basedir/sbin $basedir/bin
+    cannot_find_file mysqld @mysqld_locations@
     exit 1
   fi
-  langdir=`find_in_basedir --dir errmsg.sys share/english share/mysql/english`
+  langdir=`find_in_dirs --dir errmsg.sys @errmsg_locations@`
   if test -z "$langdir"
   then
-    cannot_find_file errmsg.sys $basedir/share/english $basedir/share/mysql/english
+    cannot_find_file errmsg.sys @errmsg_locations@
     exit 1
   fi
-  pkgdatadir=`find_in_basedir --dir fill_help_tables.sql share share/mysql`
+  pkgdatadir=`find_in_dirs --dir fill_help_tables.sql @pkgdata_locations@`
   if test -z "$pkgdatadir"
   then
-    cannot_find_file fill_help_tables.sql $basedir/share $basedir/share/mysql
+    cannot_find_file fill_help_tables.sql @pkgdata_locations@
     exit 1
   fi
-  scriptdir="$basedir/scripts"
 else
   basedir="@prefix@"
   bindir="@bindir@"
-  extra_bindir="$bindir"
+  resolveip="$bindir/resolveip"
   mysqld="@libexecdir@/mysqld"
   pkgdatadir="@pkgdatadir@"
-  scriptdir="@scriptdir@"
 fi
 
 # Set up paths to SQL scripts required for bootstrap
@@ -342,14 +344,14 @@ hostname=`@HOSTNAME@`
 # Check if hostname is valid
 if test "$cross_bootstrap" -eq 0 -a "$in_rpm" -eq 0 -a "$force" -eq 0
 then
-  resolved=`"$extra_bindir/resolveip" $hostname 2>&1`
+  resolved=`"$resolveip" $hostname 2>&1`
   if test $? -ne 0
   then
-    resolved=`"$extra_bindir/resolveip" localhost 2>&1`
+    resolved=`"$resolveip" localhost 2>&1`
     if test $? -ne 0
     then
       echo "Neither host '$hostname' nor 'localhost' could be looked up with"
-      echo "'$extra_bindir/resolveip'"
+      echo "'$resolveip'"
       echo "Please configure the 'hostname' command to return a correct"
       echo "hostname."
       echo "If you want to solve this at a later stage, restart this script"
@@ -357,7 +359,7 @@ then
       link_to_help
       exit 1
     fi
-    echo "WARNING: The host '$hostname' could not be looked up with resolveip."
+    echo "WARNING: The host '$hostname' could not be looked up with $resolveip."
     echo "This probably means that your libc libraries are not 100 % compatible"
     echo "with this binary MariaDB version. The MariaDB daemon, mysqld, should work"
     echo "normally with the exception that host name resolving will not work."
@@ -436,7 +438,7 @@ else
   echo "The problem could be conflicting information in an external"
   echo "my.cnf files. You can ignore these by doing:"
   echo
-  echo "    shell> $scriptdir/scripts/mysql_install_db --defaults-file=~/.my.cnf"
+  echo "    shell> $0 --defaults-file=~/.my.cnf"
   echo
   echo "You can also try to start the mysqld daemon with:"
   echo

sql-common/client.c

@@ -1276,6 +1276,7 @@ void mysql_read_default_options(struct st_mysql_options *options,
 	  break;
         case OPT_pipe:
           options->protocol = MYSQL_PROTOCOL_PIPE;
+          break;
         case OPT_connect_timeout: 
 	case OPT_timeout:
 	  if (opt_arg)

sql/events.cc

@@ -185,8 +185,8 @@ Events::reconstruct_interval_expression(String *buf, interval_type interval,
 
     expr= tmp_expr - (tmp_expr/60)*60;
     /* the code after the switch will finish */
-  }
     break;
+  }
   case INTERVAL_HOUR_SECOND:
   {
     ulonglong tmp_expr= expr;
@@ -202,8 +202,8 @@ Events::reconstruct_interval_expression(String *buf, interval_type interval,
 
     expr= tmp_expr - (tmp_expr/60)*60;
     /* the code after the switch will finish */
-  }
     break;
+  }
   case INTERVAL_DAY_SECOND:
   {
     ulonglong tmp_expr= expr;
@@ -225,8 +225,8 @@ Events::reconstruct_interval_expression(String *buf, interval_type interval,
 
     expr= tmp_expr - (tmp_expr/60)*60;
     /* the code after the switch will finish */
-  }
     break;
+  }
   case INTERVAL_DAY_MICROSECOND:
   case INTERVAL_HOUR_MICROSECOND:
   case INTERVAL_MINUTE_MICROSECOND:
@@ -240,6 +240,8 @@ Events::reconstruct_interval_expression(String *buf, interval_type interval,
     break;
   case INTERVAL_WEEK:
     expr/= 7;
+    close_quote= FALSE;
+    break;
   default:
     close_quote= FALSE;
     break;

sql/field.cc

 /*
-   Copyright (c) 2000, 2013, Oracle and/or its affiliates.
-   Copyright (c) 2008, 2013, Monty Program Ab
+   Copyright (c) 2000, 2017, Oracle and/or its affiliates.
+   Copyright (c) 2008, 2017, MariaDB
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -7947,13 +7947,13 @@ String *Field_set::val_str(String *val_buffer,
   ulonglong tmp=(ulonglong) Field_enum::val_int();
   uint bitnr=0;
 
-  if (tmp == 0)
-  {
   /*
     Some callers expect *val_buffer to contain the result,
     so we assign to it, rather than doing 'return &empty_set_string.
   */
   *val_buffer= empty_set_string;
+  if (tmp == 0)
+  {
     return val_buffer;
   }
 
@@ -9218,7 +9218,7 @@ bool Create_field::init(THD *thd, char *fld_name, enum_field_types fld_type,
   case MYSQL_TYPE_DATE:
     /* We don't support creation of MYSQL_TYPE_DATE anymore */
     sql_type= MYSQL_TYPE_NEWDATE;
-    /* fall trough */
+    /* fall through */
   case MYSQL_TYPE_NEWDATE:
     length= MAX_DATE_WIDTH;
     break;

sql/ha_partition.cc

 /*
-  Copyright (c) 2005, 2013, Oracle and/or its affiliates.
+  Copyright (c) 2005, 2017, Oracle and/or its affiliates.
+  Copyright (c) 2009, 2017, MariaDB
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -7331,6 +7332,7 @@ void ha_partition::print_error(int error, myf errflag)
         m_err_rec= NULL;
         DBUG_VOID_RETURN;
       }
+      /* fall through */
     default:
       {
         if (!(thd->lex->alter_info.flags & ALTER_TRUNCATE_PARTITION))

sql/item.cc

@@ -6004,7 +6004,7 @@ Field *Item::tmp_table_field_from_field_type(TABLE *table, bool fixed_length)
                               collation.collation);
       break;
     }
-    /* Fall through to make_string_field() */
+    /* fall through */
   case MYSQL_TYPE_ENUM:
   case MYSQL_TYPE_SET:
   case MYSQL_TYPE_VAR_STRING:
@@ -6726,6 +6726,7 @@ bool Item::cache_const_expr_analyzer(uchar **arg)
     */
     if (const_item() &&
         !(basic_const_item() || item->basic_const_item() ||
+          item->type() == Item::NULL_ITEM || /* Item_name_const hack */
           item->type() == Item::FIELD_ITEM ||
           item->type() == SUBSELECT_ITEM ||
            /*
@@ -6876,7 +6877,11 @@ class Dependency_marker: public Field_enumerator
     // Find which select the field is in. This is achieved by walking up 
     // the select tree and looking for the table of interest.
     st_select_lex *sel;
-    for (sel= current_select; sel; sel= sel->outer_select())
+    for (sel= current_select;
+         sel ;
+         sel= (sel->context.outer_context ?
+               sel->context.outer_context->select_lex:
+               NULL))
     {
       List_iterator<TABLE_LIST> li(sel->leaf_tables);
       TABLE_LIST *tbl;
@@ -8071,7 +8076,6 @@ bool Item_direct_view_ref::send(Protocol *protocol, String *buffer)
 
 bool Item_direct_view_ref::fix_fields(THD *thd, Item **reference)
 {
-  DBUG_ASSERT(1);
   /* view fild reference must be defined */
   DBUG_ASSERT(*ref);
   /* (*ref)->check_cols() will be made in Item_direct_ref::fix_fields */
@@ -9955,7 +9959,7 @@ void Item_direct_view_ref::update_used_tables()
 
 table_map Item_direct_view_ref::used_tables() const
 {
-  DBUG_ASSERT(null_ref_table);
+  DBUG_ASSERT(fixed);
 
   if (get_depended_from())
     return OUTER_REF_TABLE_BIT;

sql/item.h

 #ifndef SQL_ITEM_INCLUDED
 #define SQL_ITEM_INCLUDED
 
-/* Copyright (c) 2000, 2015, Oracle and/or its affiliates.
-   Copyright (c) 2009, 2016, MariaDB
+/* Copyright (c) 2000, 2017, Oracle and/or its affiliates.
+   Copyright (c) 2009, 2017, MariaDB
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by

sql/item_func.cc

@@ -863,6 +863,7 @@ void Item_func_num1::fix_length_and_dec()
     break;
   case TIME_RESULT:
     cached_result_type= DECIMAL_RESULT;
+    /* fall through */
   case DECIMAL_RESULT:
     decimals= args[0]->decimal_scale(); // Do not preserve NOT_FIXED_DEC
     max_length= args[0]->max_length;
@@ -2038,6 +2039,7 @@ my_decimal *Item_func_mod::decimal_op(my_decimal *decimal_value)
     return decimal_value;
   case E_DEC_DIV_ZERO:
     signal_divide_by_null();
+    /* fall through */
   default:
     null_value= 1;
     return 0;

sql/item_row.cc

@@ -44,7 +44,14 @@ Item_row::Item_row(List<Item> &arg):
 
   //TODO: think placing 2-3 component items in item (as it done for function)
   if ((arg_count= arg.elements))
+  {
     items= (Item**) sql_alloc(sizeof(Item*)*arg_count);
+    if (!items)
+    {
+      arg_count= 0;
+      return;
+    }
+  }
   else
     items= 0;
   List_iterator<Item> li(arg);
@@ -57,6 +64,27 @@ Item_row::Item_row(List<Item> &arg):
   }
 }
 
+
+Item_row::Item_row(Item *item):
+  Item(),
+  used_tables_cache(0),
+  not_null_tables_cache(0),
+  arg_count(item->cols()),
+  const_item_cache(1),
+  with_null(0)
+{
+  items= (Item**) sql_alloc(sizeof(Item*) * arg_count);
+  if (!items)
+  {
+    arg_count= 0;
+    return;
+  }
+  for (uint i= 0; i < arg_count; i++)
+  {
+    items[i]= item->element_index(i);
+  }
+}
+
 void Item_row::illegal_method_call(const char *method)
 {
   DBUG_ENTER("Item_row::illegal_method_call");

sql/item_row.h

@@ -35,6 +35,7 @@ class Item_row: public Item
     const_item_cache(item->const_item_cache),
     with_null(0)
   {}
+  Item_row(Item *item);
 
   enum Type type() const { return ROW_ITEM; };
   void illegal_method_call(const char *);

sql/item_strfunc.cc

@@ -4430,7 +4430,7 @@ bool Item_dyncol_get::get_date(MYSQL_TIME *ltime, ulonglong fuzzy_date)
     goto null;
   case DYN_COL_INT:
     signed_value= 1;                                  // For error message
-    /* fall_trough */
+    /* fall through */
   case DYN_COL_UINT:
     if (signed_value || val.x.ulong_value <= LONGLONG_MAX)
     {
@@ -4443,7 +4443,7 @@ bool Item_dyncol_get::get_date(MYSQL_TIME *ltime, ulonglong fuzzy_date)
     }
     /* let double_to_datetime_with_warn() issue the warning message */
     val.x.double_value= static_cast<double>(ULONGLONG_MAX);
-    /* fall_trough */
+    /* fall through */
   case DYN_COL_DOUBLE:
     if (double_to_datetime_with_warn(val.x.double_value, ltime, fuzzy_date,
                                      0 /* TODO */))

sql/item_subselect.cc

@@ -1374,6 +1374,9 @@ Item_in_subselect::Item_in_subselect(Item * left_exp,
 {
   DBUG_ENTER("Item_in_subselect::Item_in_subselect");
   left_expr_orig= left_expr= left_exp;
+  /* prepare to possible disassembling the item in convert_subq_to_sj() */
+  if (left_exp->type() == Item::ROW_ITEM)
+    left_expr_orig= new Item_row(left_exp);
   func= &eq_creator;
   init(select_lex, new select_exists_subselect(this));
   max_columns= UINT_MAX;
@@ -1398,6 +1401,9 @@ Item_allany_subselect::Item_allany_subselect(Item * left_exp,
 {
   DBUG_ENTER("Item_allany_subselect::Item_allany_subselect");
   left_expr_orig= left_expr= left_exp;
+  /* prepare to possible disassembling the item in convert_subq_to_sj() */
+  if (left_exp->type() == Item::ROW_ITEM)
+    left_expr_orig= new Item_row(left_exp);
   func= func_creator(all_arg);
   init(select_lex, new select_exists_subselect(this));
   max_columns= 1;

sql/item_timefunc.cc

@@ -1733,9 +1733,18 @@ bool Item_func_sec_to_time::get_date(MYSQL_TIME *ltime, ulonglong fuzzy_date)
 
   ltime->hour= TIME_MAX_HOUR+1;
   check_time_range(ltime, decimals, &unused);
+  if (!err)
+  {
+    ErrConvInteger err2(sec, unsigned_flag);
+    make_truncated_value_warning(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+                                 &err2, MYSQL_TIMESTAMP_TIME, NullS);
+  }
+  else
+  {
+    ErrConvString err2(err);
     make_truncated_value_warning(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
-                               err->ptr(), err->length(),
-                               MYSQL_TIMESTAMP_TIME, NullS);
+                                 &err2, MYSQL_TIMESTAMP_TIME, NullS);
+  }
   return 0;
 }
 

sql/item_timefunc.h

@@ -500,8 +500,16 @@ class Item_temporal_func: public Item_func
   { return  val_decimal_from_date(decimal_value); }
   Field *tmp_table_field(TABLE *table)
   { return tmp_table_field_from_field_type(table, 0); }
+#if MARIADB_VERSION_ID > 100300
+#error This code should be removed in 10.3, to use the derived save_in_field()
+#else
   int save_in_field(Field *field, bool no_conversions)
-  { return save_date_in_field(field); }
+  {
+    return field_type() == MYSQL_TYPE_TIME ?
+           save_time_in_field(field) :
+           save_date_in_field(field);
+  }
+#endif
   void fix_length_and_dec();
 };
 

sql/log.cc

@@ -7261,8 +7261,10 @@ void TC_LOG_MMAP::close()
     mysql_cond_destroy(&COND_pool);
     mysql_cond_destroy(&COND_active);
     mysql_cond_destroy(&COND_queue_busy);
+    /* fall through */
   case 5:
     data[0]='A'; // garble the first (signature) byte, in case mysql_file_delete fails
+    /* fall through */
   case 4:
     for (i=0; i < npages; i++)
     {
@@ -7271,10 +7273,13 @@ void TC_LOG_MMAP::close()
       mysql_mutex_destroy(&pages[i].lock);
       mysql_cond_destroy(&pages[i].cond);
     }
+    /* fall through */
   case 3:
     my_free(pages);
+    /* fall through */
   case 2:
     my_munmap((char*)data, (size_t)file_length);
+    /* fall through */
   case 1:
     mysql_file_close(fd, MYF(0));
   }

sql/log_event.cc

@@ -6437,21 +6437,6 @@ User_var_log_event(const char* buf, uint event_len,
       we keep the flags set to UNDEF_F.
     */
     uint bytes_read= ((val + val_len) - start);
-#ifndef DBUG_OFF
-    bool old_pre_checksum_fd= description_event->is_version_before_checksum(
-        &description_event->server_version_split);
-#endif
-    DBUG_ASSERT((bytes_read == data_written -
-                 (old_pre_checksum_fd ||
-                  (description_event->checksum_alg ==
-                   BINLOG_CHECKSUM_ALG_OFF)) ?
-                 0 : BINLOG_CHECKSUM_LEN)
-                ||
-                (bytes_read == data_written -1 -
-                 (old_pre_checksum_fd ||
-                  (description_event->checksum_alg ==
-                   BINLOG_CHECKSUM_ALG_OFF)) ?
-                 0 : BINLOG_CHECKSUM_LEN));
     if ((data_written - bytes_read) > 0)
     {
       flags= (uint) *(buf + UV_VAL_IS_NULL + UV_VAL_TYPE_SIZE +

sql/opt_subselect.cc

@@ -1609,6 +1609,7 @@ static bool convert_subq_to_sj(JOIN *parent_join, Item_in_subselect *subq_pred)
        sj-nest.
   */
   st_select_lex *subq_lex= subq_pred->unit->first_select();
+  DBUG_ASSERT(subq_lex->next_select() == NULL);
   nested_join->join_list.empty();
   List_iterator_fast<TABLE_LIST> li(subq_lex->top_join_list);
   TABLE_LIST *tl;
@@ -1706,7 +1707,8 @@ static bool convert_subq_to_sj(JOIN *parent_join, Item_in_subselect *subq_pred)
 
   if (subq_pred->left_expr->cols() == 1)
   {
-    nested_join->sj_outer_expr_list.push_back(subq_pred->left_expr);
+    /* add left = select_list_element */
+    nested_join->sj_outer_expr_list.push_back(&subq_pred->left_expr);
     /*
       Create Item_func_eq. Note that
       1. this is done on the statement, not execution, arena
@@ -1718,24 +1720,61 @@ static bool convert_subq_to_sj(JOIN *parent_join, Item_in_subselect *subq_pred)
     */
     Item_func_eq *item_eq=
       new Item_func_eq(subq_pred->left_expr_orig, subq_lex->ref_pointer_array[0]);
+    if (!item_eq)
+      DBUG_RETURN(TRUE);
     if (subq_pred->left_expr_orig != subq_pred->left_expr)
       thd->change_item_tree(item_eq->arguments(), subq_pred->left_expr);
     item_eq->in_equality_no= 0;
     sj_nest->sj_on_expr= and_items(sj_nest->sj_on_expr, item_eq);
   }
-  else
+  else if (subq_pred->left_expr->type() == Item::ROW_ITEM)
   {
+    /*
+      disassemple left expression and add
+      left1 = select_list_element1 and left2 = select_list_element2 ...
+    */
     for (uint i= 0; i < subq_pred->left_expr->cols(); i++)
     {
       nested_join->sj_outer_expr_list.push_back(subq_pred->left_expr->
-                                                element_index(i));
+                                                addr(i));
       Item_func_eq *item_eq=
-        new Item_func_eq(subq_pred->left_expr->element_index(i), 
+        new Item_func_eq(subq_pred->left_expr_orig->element_index(i),
                          subq_lex->ref_pointer_array[i]);
+      if (!item_eq)
+        DBUG_RETURN(TRUE);
+      DBUG_ASSERT(subq_pred->left_expr->element_index(i)->fixed);
+      if (subq_pred->left_expr_orig->element_index(i) !=
+          subq_pred->left_expr->element_index(i))
+        thd->change_item_tree(item_eq->arguments(),
+                              subq_pred->left_expr->element_index(i));
       item_eq->in_equality_no= i;
       sj_nest->sj_on_expr= and_items(sj_nest->sj_on_expr, item_eq);
     }
   }
+  else
+  {
+    /*
+      add row operation
+      left = (select_list_element1, select_list_element2, ...)
+    */
+    Item_row *row= new Item_row(subq_lex->pre_fix);
+    /* fix fields on subquery was call so they should be the same */
+    DBUG_ASSERT(subq_pred->left_expr->cols() == row->cols());
+    if (!row)
+      DBUG_RETURN(TRUE);
+    nested_join->sj_outer_expr_list.push_back(&subq_pred->left_expr);
+    Item_func_eq *item_eq=
+      new Item_func_eq(subq_pred->left_expr_orig, row);
+    if (!item_eq)
+      DBUG_RETURN(TRUE);
+    for (uint i= 0; i < row->cols(); i++)
+    {
+      if (row->element_index(i) != subq_lex->ref_pointer_array[i])
+        thd->change_item_tree(row->addr(i), subq_lex->ref_pointer_array[i]);
+    }
+    item_eq->in_equality_no= 0;
+    sj_nest->sj_on_expr= and_items(sj_nest->sj_on_expr, item_eq);
+  }
   /*
     Fix the created equality and AND
 
@@ -3285,8 +3324,8 @@ void restore_prev_sj_state(const table_map remaining_tables,
 ulonglong get_bound_sj_equalities(TABLE_LIST *sj_nest, 
                                   table_map remaining_tables)
 {
-  List_iterator<Item> li(sj_nest->nested_join->sj_outer_expr_list);
-  Item *item;
+  List_iterator<Item_ptr> li(sj_nest->nested_join->sj_outer_expr_list);
+  Item **item;
   uint i= 0;
   ulonglong res= 0;
   while ((item= li++))
@@ -3297,7 +3336,7 @@ ulonglong get_bound_sj_equalities(TABLE_LIST *sj_nest,
          class and see if there is an element that is bound?
       (this is an optional feature)
     */
-    if (!(item->used_tables() & remaining_tables))
+    if (!(item[0]->used_tables() & remaining_tables))
     {
       res |= 1ULL << i;
     }

sql/opt_sum.cc

@@ -1047,6 +1047,7 @@ static int maxmin_in_range(bool max_fl, Field* field, COND *cond)
   case Item_func::LT_FUNC:
   case Item_func::LE_FUNC:
     less_fl= 1;
+    /* fall through */
   case Item_func::GT_FUNC:
   case Item_func::GE_FUNC:
   {

sql/partition_info.cc

@@ -34,8 +34,6 @@
 
 partition_info *partition_info::get_clone()
 {
-  if (!this)
-    return 0;
   List_iterator<partition_element> part_it(partitions);
   partition_element *part;
   partition_info *clone= new partition_info();

sql/slave.cc

@@ -2341,7 +2341,6 @@ static int init_slave_thread(THD* thd, SLAVE_THD_TYPE thd_type)
   thd->enable_slow_log= opt_log_slow_slave_statements;
   thd->variables.log_slow_filter= global_system_variables.log_slow_filter;
   set_slave_thread_options(thd);
-  thd->client_capabilities = CLIENT_LOCAL_FILES;
   mysql_mutex_lock(&LOCK_thread_count);
   thd->thread_id= thd->variables.pseudo_thread_id= thread_id++;
   mysql_mutex_unlock(&LOCK_thread_count);